Floor paint projects, especially underground garage projects, often require hot melt paint lines. However, if the hot-melt coating line is noted in materials, temperature, construction, etc., various types of quality defects often occur. The following are common quality defects and countermeasures.
First, the performance is not smooth, poor line shape.
Causes: 1. Staff errors. The construction staff did not align the dash car with the sample line during the construction and an error occurred.
2, wrong line. When the stakeout line was ill-conceived, the width of the road itself was not taken into account, and eventually the actual line spacing was different.
3, ground debris. The debris on the ground was not cleaned and the construction of the dash was disturbed.
Countermeasures: 1. Before the construction, clean the floor.
2. For the sample line, draw a line at intervals of 10-20m, especially where there is a turn.
3, personnel construction to improve the stability and accuracy of construction. In sloped areas, slopes are constructed on slopes to prevent the speed of the crossed vehicles from varying.
Second, poor quality joints
Reason: In the area where the vehicle-mounted hot-melt coating is used up and re-applied, joints will be found at the seams of the newly applied paint and the old paint, and in order to prevent the joints from being incomplete, they are directly on the last section of 30m. Lapping leads to markings that reduce the quality of the seam.
Countermeasures: Spread a thin iron plate or thin tape on the end of the last bid. After the coating, remove the iron plate or the tape in time with the marking. The two segments will form a butt joint and the effect will be improved.
First, the performance is not smooth, poor line shape.
Causes: 1. Staff errors. The construction staff did not align the dash car with the sample line during the construction and an error occurred.
2, wrong line. When the stakeout line was ill-conceived, the width of the road itself was not taken into account, and eventually the actual line spacing was different.
3, ground debris. The debris on the ground was not cleaned and the construction of the dash was disturbed.
Countermeasures: 1. Before the construction, clean the floor.
2. For the sample line, draw a line at intervals of 10-20m, especially where there is a turn.
3, personnel construction to improve the stability and accuracy of construction. In sloped areas, slopes are constructed on slopes to prevent the speed of the crossed vehicles from varying.
Second, poor quality joints
Reason: In the area where the vehicle-mounted hot-melt coating is used up and re-applied, joints will be found at the seams of the newly applied paint and the old paint, and in order to prevent the joints from being incomplete, they are directly on the last section of 30m. Lapping leads to markings that reduce the quality of the seam.
Countermeasures: Spread a thin iron plate or thin tape on the end of the last bid. After the coating, remove the iron plate or the tape in time with the marking. The two segments will form a butt joint and the effect will be improved.
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